cieldumort
(Moderator)
Fri Sep 14 2018 03:44 AM
Re: Florence and Isaac Watches and Warnings Up

Current recon mission (it's now 3:42 AST), supports the idea that Florence may be Cat 2. Also see the Lounge for some screenshots of earlier buoy reports with very stout gusts.

Quote:

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 14th day of the month at 6:15Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF96-5302
Storm Number & Year: 06 in 2018
Storm Name: Florence (flight in the North Atlantic basin)
Mission Number: 17
Observation Number: 03

A. Time of Center Fix: 14th day of the month at 5:52:50Z
B. Center Fix Coordinates: 34.05N 77.17W
B. Center Fix Location: 44 statute miles (71 km) to the ESE (106°) from Wilmington, NC, USA.
C. Minimum Height at Standard Level: 2,723m (8,934ft) at 700mb
D. Minimum Sea Level Pressure: 956mb (28.23 inHg)
E. Dropsonde Surface Wind at Center: From 320° at 6kts (From the NW at 7mph)
F. Eye Character: Open in the east
G. Eye Shape & Diameter: Circular with a diameter of 28 nautical miles (32 statute miles)
H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 73kts (84.0mph)
I. Location & Time of the Estimated Maximum Surface Wind Inbound: 8 nautical miles to the SW (233°) of center fix at 5:50:30Z
J. Maximum Flight Level Wind Inbound: From 316° at 73kts (From the NW at 84.0mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 16 nautical miles (18 statute miles) to the SW (231°) of center fix at 5:48:30Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 84kts (96.7mph)
M. Location & Time of the Estimated Maximum Surface Wind Outbound: 45 nautical miles (52 statute miles) to the NE (50°) of center fix at 6:06:30Z
N. Maximum Flight Level Wind Outbound: From 143° at 100kts (From the SE at 115.1mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 51 nautical miles (59 statute miles) to the NE (50°) of center fix at 6:08:00Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 12°C (54°F) at a pressure alt. of 3,037m (9,964ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 17°C (63°F) at a pressure alt. of 3,055m (10,023ft)
R. Dewpoint Temp (collected at same location as temp inside eye): 13°C (55°F)
R. Sea Surface Temp (collected at same location as temp inside eye): Not Available
S. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
S. Fix Levels (surface & flight level centers within 5nm of each other): Surface and 700mb
T. Navigational Fix Accuracy: 0.02 nautical miles
T. Meteorological Accuracy: 2 nautical miles

Remarks Section:

Maximum Flight Level Wind: 100kts (~ 115.1mph) which was observed 51 nautical miles (59 statute miles) to the NE (50°) from the flight level center at 6:08:00Z
Maximum Flight Level Temp: 18°C (64°F) which was observed 7 nautical miles to the NE (43°) from the flight level center